Loyola College Physics For Biology Previous Question Papers Download Physics For Biology
Loyola College B.Sc. Plant Biology and Biotechnology April 2012 Physics For Biology Question Paper PDF Download
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & BIO TECH.
THIRD SEMESTER – APRIL 2012
PH 3204 – PHYSICS FOR BIOLOGY
Date : 02-05-2012 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART – A
Answer ALL questions: (10×2=20)
- State the significance of Reynold’s number of a liquid.
- Define coefficient of viscosity and write its unit
- What are cofactors? Name any one.
- Define ‘range’ and ‘stopping potential’ of an alpha particle
- Differentiate between diffusion and osmosis
- Define the resolving power of a microscope
- What are transducers?
- What are structure borne noises? How can it be insulated?
- What is meant by photosynthesis?
- What is linear magnification?
PART – B
Answer any FOUR questions: (4×7.5 = 30)
- Define induced radioactivity with example. Describe how radio carbon is used in age estimation or dating.
- Explain the working of a piezo-electric oscillator.
- Describe in detail the carbon fixation cycle.
- Give a detailed account of biosensors.
- Write in detail, the molecular theory of surface tension
PART – C
Answer any FOUR questions: (4×12.5 =50)
- Derive Poiseuille’s formula for the flow of liquid through a capillary tube
- (i) Discuss the energies of beta decay.
(ii) Explain the uses of radio isotopes.
- Explain with neat circuit diagram, the working of a magnetostrition oscillator and Galton whistle.
- Give a detailed account on temperature and pressure transducers.
- Explain the Kreb’s cycle in detail with all the intermediate steps.
Loyola College B.Sc. Adv. Zoology & Bio-Technology April 2008 Physics For Biology Question Paper PDF Download
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – ADV.ZOO. & BIO TECHNOLOGY
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FOURTH SEMESTER – APRIL 2008
PH 4204 – PHYSICS FOR BIOLOGY
Date : 24/04/2008 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART A
Answer all questions: (10 х 2=20)
- Define Coefficient of Viscosity. Give its units.
- State the Fick’s law of diffusion.
- State the laws of refraction
- What is glycolysis?
- What are coupled reactions?
- Find the de Broglie wavelength of an electron with a kinetic energy of 100 eV.
- List different methods of detecting ultrasonic waves.
- The disintegration constant λ of a radioactive element is 0.00231 per day. Calculate its half- life and average life.
- What are radio isotopes? Give some examples.
- What are transducers? Give the different types of transducers.
PART B
Answer any four questions: (4 х 7.5=30)
- Derive Poiseuille’s formula for the rate of flow of a liquid through a capillary tube.
- Obtain an expression for the resolving power of a microscope.
- (a) What is Galton’s Whistle? (5)
(b) Calculate the fundamental frequency of vibration of a quartz crystal of
thickness 5mm if the velocity of longitudinal waves through it is 5760m/s
- Derive an expression to calculate the half life and mean life period an radioactive element.
- Compare p700 and p680.
PART C
Answer any four questions: (4 х 12.5=50)
- a) Define Osmotic pressure and state its laws. (5 marks)
- b) Deduce an expression for the elevation of the boiling point of a liquid by a non-volatile
substance dissolved in it. (7.5 marks)
- Write a detailed note of the Kreb’s cycle.
- With necessary block diagram, describe ultrasonic imaging technique.
- Write in detail about the energetics of beta decay.
- Give a detailed account on the pressure transducer.